US4510983A - Pair of pneumatic belted tires for motorcycle - Google Patents

Pair of pneumatic belted tires for motorcycle Download PDF

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Publication number
US4510983A
US4510983A US06/537,608 US53760883A US4510983A US 4510983 A US4510983 A US 4510983A US 53760883 A US53760883 A US 53760883A US 4510983 A US4510983 A US 4510983A
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United States
Prior art keywords
tire
pair
motorcycle
belt
tread
Prior art date
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Expired - Lifetime
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US06/537,608
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English (en)
Inventor
Shinichiro Ohkuni
Yoichi Kitazawa
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Bridgestone Corp
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Bridgestone Corp
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Publication date
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Assigned to BRIDGESTONE TIRE COMPANY LIMITED reassignment BRIDGESTONE TIRE COMPANY LIMITED ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: KITAZAWA, YOICHI, OHKUNI, SHINICHIRO
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • B60C15/0036—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion with high ply turn-up, i.e. folded around the bead core and terminating radially above the point of maximum section width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C19/00—Tyre parts or constructions not otherwise provided for
    • B60C19/001—Tyres requiring an asymmetric or a special mounting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C3/00—Tyres characterised by the transverse section
    • B60C3/04—Tyres characterised by the transverse section characterised by the relative dimensions of the section, e.g. low profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C2200/00—Tyres specially adapted for particular applications
    • B60C2200/10—Tyres specially adapted for particular applications for motorcycles, scooters or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S152/00—Resilient tires and wheels
    • Y10S152/904—Specified tread pattern for front tire and rear tire
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10765—Characterized by belt or breaker structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10765—Characterized by belt or breaker structure
    • Y10T152/10801—Structure made up of two or more sets of plies wherein the reinforcing cords in one set lie in a different angular position relative to those in other sets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10495—Pneumatic tire or inner tube
    • Y10T152/10819—Characterized by the structure of the bead portion of the tire
    • Y10T152/10828—Chafer or sealing strips

Definitions

  • This invention relates to pneumatic belted tires for motorcycles, and more particularly to a pair of pneumatic belted tires for a motorcycle which provide a good balance as an assembly with a motorcycle body.
  • rigidity reinforcement is achieved by a carcass composed of one or few rubberized plies each containing fiber or metal cords arranged in a direction of 50°-90° with respect to the equatorial plane of the tire and a substantially inextensible belt disposed between the carcass and tread and composed of plural rubberized plies each containing metal or fiber cords inclined at an angle of about 15° with respect to the equatorial plane of the tire, the cords of which being crossed with each other.
  • Such tires exhibit excellent performance as compared with usually used bias tires (i.e. the tire comprises a carcass composed of plural rubberized plies each containing fiber cords inclined at an angle of about 35° with respect to the equatorial plane of the tire, the cords of which being crossed with each other). That is, they are good in the ride feeling because of the considerable flexibility of the sidewall portion, while high cornering performance or good steering stability is obtained because the rigidity is given by the belt provided on the crown portion of the tire. Also the wear resistance is good.
  • a camber angle i.e. an inclination angle of the equatorial plane of the tire with respect to a plane perpendicular to horizontal plane
  • a camber thrust is produced between the tire and the road surface in opposition to a centrifugal force acting to the horizontal plane.
  • the cornering performance of the tire for motorcycle is largely dependent upon the magnitude of camber thrust.
  • the camber thrust of the radial tire which is insignificant in the four-wheeled vehicles, is about 1/2 to 2/3 of that of the bias tire.
  • the inventors have made various studies with respect to radial tires for motorcycles and proposed in Japanese Patent laid open No. 58-22,704 that the aforementioned drawbacks can be solved by providing a peculiar reinforcing structure around the sidewall portion of the tire and also the effect of improving wet skid resistance is obtained to such an extent that it has never been attained in the bias tire.
  • the subject matter inherent to the pneumatic tire for a motorcycle is such a phenomenon that when a pair of tires having the same internal reinforcing structure are applied to front and rear wheels of the motorcycle, low-frequency vibration of about 1-3 Hz frequently called as wobble exclusively gives rise to the rear wheel side during the running, which brings uneasy feeling on a rider.
  • a pair of pneumatic belted tires for use in a motorcycle each comprising a tread, a pair of sidewalls toroidally extending from said tread, a pair of bead portions each located at each radially inward edge of said sidewalls and containing a bead core therein, a carcass wrapped around said bead core from inside toward outside to reinforce these tread and sidewalls and composed of at least one rubberized ply containing organic fiber cords inclined at an angle of 50°-90° with respect to the equatorial plane of the tire, said tread being extended between said sidewalls up to both positions corresponding to the maximum width of the tire at substantially an equal thickness or that thickness which slightly reduces from the tread center toward both sidewalls, and a belt disposed between said tread and said carcass at a width substantially corresponding to a tread width and composed of at least two rubberized plies each containing cords with a modulus of elasticity of at least 600 kg/mm 2 arranged at a certain inclin
  • the tire has the following structural features:
  • a turnup end of the carcass is overlapped with a side edge of the belt
  • a stiffener inclusive of a tapered rubber filler extending above the bead core toward the tread and having a Shore A hardness of at least 60° is disposed between the carcass and the turnup thereof and a top end of the stiffener locates at at least 40% of a radial height H of the sidewall;
  • the stiffener is a composite structure of the rubber filler with at least one reinforcing layer located between the turnup of the carcass and the rubber filler and containing cords inclined at an angle of 15°-30° with respect to the circumferential direction of the tire;
  • At least one of top ends of the rubber filler and the reinforcing layer locates within a range of 50%-75% of the radial height of the sidewall;
  • the belt is composed of two rubberized plies each containing metal cords therein;
  • the belt is composed of two rubberized plies each containing fiber cords therein;
  • the belt is composed of one rubberized metal cord ply and one rubberized fiber cord ply, and the fiber cord ply is arranged on the side of the carcass;
  • the belt is composed of two rubberized plies formed by folding both end parts of a single rubberized fiber cord layer toward a direction of the equatorial plane of the tire;
  • the metal cord in the belt is formed by twisting 6 to 25 steel filaments with a diameter of not more than 0.15 mm;
  • the metal cord ply used in the belt has a spacing ratio between cords of 35%-65%;
  • the inclination angle ⁇ of the cord in the belt of the tire for rear wheel is within a range of 20°-34°.
  • the tire for rear wheel has section height and section width larger than those of the tire for front wheel and particularly a flexible portion in the sidewall is wide as compared with that of the front wheel tire, so that when the cord angles in the belts of the front and rear wheel tires are the same, there is a tendency as a balance for the whole of the tire pair that the rigidity of tread portion is deficient in the front wheel tire and excess in the rear wheel tire as compared with the rigidity of the sidewall. As a result, the balance inside the tire becomes non-uniform and further such a balance is lost due to the cause inherent to the motorcycle body and consequently the wobble phenomenon is produced at a lower running speed.
  • the balance in rigidity between the sidewall and the tread crown is significant in addition to the straight running stability in case of the motorcycle capable of cornering in accordance with camber thrust.
  • FIG. 1 is a schematic radial half section of an embodiment of the pneumatic belted tire according to the invention
  • FIG. 2 is a graph showing a relation of cord angle in belt between tires for front and rear wheels
  • FIG. 3 is a graph showing an influence of cord angle in belt on high-speed durability.
  • FIG. 4 is a partial enlarged view of the metal cord ply for the belt used in the invention.
  • FIG. 1 is schematically shown a radial half section of an embodiment of the pneumatic belted tire according to the invention, wherein a tire 1 is formed by toroidally connecting a sidewall 2 to a tread 3. While the left half section of the tire is omitted with respect to an equatorial plane O-O of the tire, it is a matter of course that the tire is symmetrical with respect to the equatorial plane.
  • the sidewall 2 and tread 3 as a whole are reinforced with a carcass 4.
  • the carcass 4 is composed of two plies 4 -1 and 4 -2 , each end of which is wrapped around a bead core 5 embedded in each radially inner end portion of the sidewall 2 from inside toward outside in the axial direction of the tire to form a turnup portion 6.
  • the carcass 4 is composed of at least one rubberized ply containing cords of an organic fiber such as nylon, rayon, polyester or the like inclined at an angle of 50°-90°, preferably 60°-82° with respect to the equatorial line O-O.
  • the carcass is composed of two or three or possibly four rubberized plies as shown in FIG. 1, the cords of these plies are crossed with each other.
  • both ends of at least one ply are wrapped around the bead cores 5 toward outside in the axial direction of the tire to form turnup portions 6.
  • two carcass plies 4 -1 and 4 -2 are wrapped around the bead core 5 to form a higher turnup portion 6 -1 and a lower turnup portion 6 -2 , respectively.
  • the tread 3 extends from the position of the equatorial plane O-O toward both sides thereof at substantially and equal thickness or at that thickness which slightly reduces from the center of the tread 3 toward the sidewall 2 at a thickness ratio of 1:about 0.8.
  • a tread width W starting from a tread end e corresponds to a maximum width of the tire.
  • a belt 7 is disposed on a crown portion E of the carcass 4 beneath the tread 3 so as to reinforce the whole region of the tread 3. In this case, the belt 7 may somewhat extend over the tread end e toward the sidewall 2.
  • the belt 7 is composed of plural rubberized plies each containing cords with a modulus of elasticity of at least 600 kg/mm 2 arranged at an inclination cord angle of 15°-30° with respect to the equatorial plane O-O, the cords of which being crossed with each other.
  • modulus of elasticity of cord means to be calculated by the following equation when a relation between load and elongation is measured by applying a tensile force to the cord and a rising slope of the measured load-elongation curve is extended from this curve to determine a load at 10% elongation: ##EQU1## wherein F is a load at 10% elongation and S is a sectional area of cord.
  • modulus of elasticity of each of conventionally known cords is exemplified as follows:
  • the belt 7 is composed of two plies 7 -1 and 7 -2 .
  • the reinforcing member for the belt there are considered the case of using metal cords or fiber cords alone in both the plies 7 -1 and 7 -2 , the case of using fiber cords in the ply 7 -1 and using metal cords in the ply 7 -2 , and the like.
  • the metal cord it is desirable to use steel cord obtained by twisting 6 to 25 steel filaments, each having a diameter of not more than 0.15 mm, with each other.
  • the diameter of the steel filament is 0.15 mm, 0.12 mm or 0.10 mm.
  • the metal cord it is preferable to arrange the metal cords at a spacing ratio of 35%-65%, and in this case the flexural rigidity of the cord is not increased excessively in the thickness direction of the belt.
  • the spacing ratio of metal cords is defined by the following equation as shown in FIG. 4: ##EQU2## wherein f is a center distance between cords C and d is a diameter of cord C.
  • a tapered rubber filler 8 extending from the upper part of the bead core 5 toward a direction of the tread 3 is disposed between the carcass 4 and the turnup portion 6 thereof.
  • the rubber filler 8 has a Shore A hardness of at least 60°, preferably not less than 65°.
  • the upper limit of the hardness is not critical in view of tire performance, but when the hardness is higher than about 98°, the working efficiency becomes undesirably poor in view of tire production.
  • radial heights extending from a bead base b to ends in tread direction of the rubber filler 8 and turnup portions 6 -1 and 6 -2 are h 1 , h 2 and h 3 , respectively and a height of the sidewall expressed by a radial distance from the bead base b to the tread end e is H
  • at least one of heights h 1 , h 2 and h 3 according to the invention corresponds to at least 60% of the height H of the sidewall.
  • the heights h 1 , h 2 and h 3 are 55%, 107% and 70% of the height H of the sidewall, respectively.
  • the heights h 2 and h 3 exceeds the standard value 60% and also the height h 1 of the rubber filler 8 is a higher level, so that a flex zone 9 of the sidewall 2 is forced toward the direction of the tread 3 and at the same time the deformation of the flex zone 9 itself is restrained by overlapping the end part of the turnup portion 6 -1 with the belt 7.
  • a cord reinforcing layer may be disposed adjacent to the rubber filler 8 from a position near the bear core 5 toward the tread direction.
  • the fiber or metal cords are arranged at an inclination angle of 15°-30° with respect to the circumferential direction of the tire. In this case, the value of the inclination angle is measured in the vicinity of the bead core.
  • the cord reinforcing layer may be arranged outside the turnup portion 6 of the carcass. However, it is desirable to arrange the cord reinforcing layer adjacent to the turnup portion 6 between the carcass 4 and the turnup portion thereof as a stiffener consisting of a composite structure with the rubber filler.
  • a single rubberized fiber cord layer may be used in which both side end portions of the layer are turned around the tread ends e in a direction of the tread and folded in a direction of the equatorial plane O-O to form a fold part.
  • both free ends of the belt may be opposite to each other in the vicinity of the equatorial plane O-O or may be overlapped with each other.
  • folding of the ply for the belt there may be used various means without departing the spirit of the invention. For instance, when using two plies as shown in FIG.
  • one of these plies is made wider than the other ply and both free ends thereof are folded in a direction of the tread or carcass by the conventionally well-known method for the formation of belt structure in pneumatic radial tires for four-wheeled vehicles. Furthermore, each free end of the ply is enveloped with the folded part of the other ply.
  • the first ply 4 -1 and second ply 4 -2 constituting the carcass 4 have an inclination angle of 75% with respect to the equatorial line O-O, in which the cords of these plies are crossed with each other, and are wrapped around the bead core 5 from inside toward outside to form turnup portions 6 -1 and 6 -2 .
  • the hard rubber filler 8 is interposed between the carcass and its turnup portion, and the turnup portion 6 -1 among the turnup portions 6 -1 and 6 -2 is overlapped with each side edge of the belt from the outside.
  • the overlap width w of the turnup portion 6 -1 is preferable to be at least 10 mm.
  • the first and second plies 7 -1 and 7 -2 are arranged at a certain step difference over substantially the tread width W, each cord of which is a cord with a twisting construction of 3 ⁇ 4 using steel filament of 0.12 mm diameter.
  • the cord for use in the belt is favorable to be a cord obtained by twisting plural filaments each having a diameter of not more than 0.15 mm, preferably about 0.12 mm in view of the rigidity in tread, durability and other properties.
  • the thickness t of the tread 3 is thickest in the equatorial plane O-O of the tire and slightly reduces from the equatorial plane toward the vicinity of the tread end e, which is considered that the thickness of the tread 3 is substantially the same over the tread width as compared with the tire for four-wheeled vehicle.
  • the tires according to the invention correspond to Tire Nos. 1, 2, 5, 6, 9, 12, 13, 14, 15, 17, 18 and 19, while the remaining Tire Nos. 3, 4, 7, 8, 10, 11, 16, 20, 21 and 22 are control tires.
  • Table 2 The evaluation results of Table 2 are represented as a graph in FIG. 2. It is obvious from this graph that the conventional tire combination, i.e. a combination of tire pair having the same belt structure (or the same cord angle in belt) for front and rear wheels leads the worst result.
  • the technical ideal of this type is out of the question in the conventional bias tires, but serves to solve the troubles peculiar to the radial tire, based on which optimum combination of tires for front and rear wheels of the motocycle is selected, whereby the running stability of pneumatic radial tires for motorcycle can be improved considerably.
  • the tire was run on a steel drum having a smooth surface with a diameter of 1.7 m under conditions of a load corresponding to 88% of normal load at 38° C. ⁇ 3° C. and an internal pressure of 3.0 kg/cm 2 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
US06/537,608 1982-10-18 1983-09-30 Pair of pneumatic belted tires for motorcycle Expired - Lifetime US4510983A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57/182623 1982-10-18
JP57182623A JPS5973307A (ja) 1982-10-18 1982-10-18 二輪車用空気入りベルテツドタイヤ対

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US4510983A true US4510983A (en) 1985-04-16

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US06/537,608 Expired - Lifetime US4510983A (en) 1982-10-18 1983-09-30 Pair of pneumatic belted tires for motorcycle

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US (1) US4510983A (ko)
JP (1) JPS5973307A (ko)
AU (1) AU538449B2 (ko)
DE (1) DE3335198A1 (ko)
GB (1) GB2128556B (ko)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280889A1 (fr) 1987-02-23 1988-09-07 COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN-MICHELIN & CIE Paire de pneumatiques pour deux roues
US4966215A (en) * 1988-03-18 1990-10-30 Bridgestone Corporation Tire pair for a two-wheeled vehicle
US5069262A (en) * 1984-04-06 1991-12-03 Rubber Industries, Ltd. Motorcycle tire with non-zero degree band radially outward of the breaker
US5176770A (en) * 1984-10-02 1993-01-05 Bridgestone Corporation Pneumatic belted tires for motorcycles
US5479977A (en) * 1992-10-30 1996-01-02 Sumitomo Rubber Industries, Ltd. Pneumatic tire with carcass structure for increased sidewall rigidity
EP1004460A2 (en) * 1998-11-26 2000-05-31 Bridgestone Corporation Pneumatic tire for front wheel of motorcycle
EP1018444A1 (en) * 1997-09-24 2000-07-12 Bridgestone Corporation Method of fitting offroad bicycle tire and offroad bicycle tire
US6977020B2 (en) * 2000-04-25 2005-12-20 Bridgestone Corporation Method of mounting a pneumatic radial tire
US20090301629A1 (en) * 2005-12-26 2009-12-10 Bridgestone Corporation Pneumatic tire
US20120312436A1 (en) * 2011-06-10 2012-12-13 Masahiro Hikita Motorcycle tire for uneven terrain
US11383560B2 (en) * 2014-08-06 2022-07-12 Sumitomo Rubber Industries, Ltd. Tire for two-wheeled automotive vehicle
EP4046824A1 (en) * 2021-02-18 2022-08-24 Sumitomo Rubber Industries, Ltd. Motorcycle tire pair

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1213202B (it) * 1984-07-31 1989-12-14 I B G Vittoria S P A Ora Vitto Tubolare o pneumatico rinforzato.
JPS6185202A (ja) * 1984-10-02 1986-04-30 Bridgestone Corp 自動２輪車用ラジアルタイヤ
JP2567836B2 (ja) * 1985-11-13 1996-12-25 株式会社ブリヂストン 二輪車用ラジアルタイヤ
JPH01178002A (ja) * 1988-01-08 1989-07-14 Sumitomo Rubber Ind Ltd 自動二輪用ラジアルタイヤ
DE68908444T2 (de) * 1988-03-15 1993-12-23 Sumitomo Rubber Ind Radialer Luftreifen für Motorräder.
JPH0456604A (ja) * 1990-06-26 1992-02-24 Sumitomo Rubber Ind Ltd 自動二輪車用ラジアルタイヤ
JPH04163205A (ja) * 1990-10-25 1992-06-08 Sumitomo Rubber Ind Ltd 自転車用タイヤ
JPH04365601A (ja) * 1991-06-11 1992-12-17 Sumitomo Rubber Ind Ltd 自動二輪車用タイヤ
US20070137757A1 (en) 2005-12-15 2007-06-21 Roman John P Tire with improved high speed capability and a method of manufacturing
JP4584966B2 (ja) * 2007-08-27 2010-11-24 住友ゴム工業株式会社 自動二輪車用タイヤ対
FR2923413B1 (fr) * 2007-11-14 2011-04-15 Michelin Soc Tech Pneumatique comportant des flancs renforces.
JP5350749B2 (ja) * 2008-10-28 2013-11-27 住友ゴム工業株式会社 二輪自動車用タイヤ対
JP5905038B2 (ja) * 2013-03-15 2016-04-20 住友ゴム工業株式会社 不整地用モーターサイクルタイヤ

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1191575A (en) * 1967-07-05 1970-05-13 Continental Gummi Werke Ag A Method of Manufacturing a Pneumatic Vehicle Tyre.
GB1222759A (en) * 1968-06-25 1971-02-17 Bridgestone Tire Co Ltd Pneumatic radial tires for use in 2-wheeled vehicles
US3881538A (en) * 1972-08-11 1975-05-06 Uniroyal Sa Pneumatic tires and breakers therefor
US3896869A (en) * 1970-04-13 1975-07-29 Toyo Tire & Rubber Co Radial pneumatic tire having a compensating cord layer
US3982580A (en) * 1973-10-23 1976-09-28 Bridgestone Tire Company Limited Pneumatic tire for construction vehicles
US4096899A (en) * 1975-09-18 1978-06-27 Bridgestone Tire Co., Ltd. Light weight pneumatic tire having a thin side wall rubber
US4258775A (en) * 1977-09-16 1981-03-31 Bridgestone Tire Company Limited Pneumatic radial tire with zero degree damper layers between belt plies
US4263955A (en) * 1978-08-22 1981-04-28 The Yokohama Rubber Co., Ltd. Pneumatic run flat tire for motorcycles
GB2102354A (en) * 1981-07-29 1983-02-02 Bridgestone Tire Co Ltd Pneumatic radial tires for motorcycles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL130939C (ko) * 1965-12-01
DE2233919C3 (de) * 1972-07-10 1979-02-22 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung für eine Einspritzdüse zur Kraftstoffeinspritzung in den Saugkanal einer Brennkraftmaschine
US4390052A (en) * 1981-04-17 1983-06-28 The Goodyear Tire & Rubber Company Motorcycle tire
JPS5822704A (ja) * 1981-08-04 1983-02-10 Bridgestone Corp モ−タ−サイクル用空気入りセミラジアルタイヤ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1191575A (en) * 1967-07-05 1970-05-13 Continental Gummi Werke Ag A Method of Manufacturing a Pneumatic Vehicle Tyre.
GB1222759A (en) * 1968-06-25 1971-02-17 Bridgestone Tire Co Ltd Pneumatic radial tires for use in 2-wheeled vehicles
US3896869A (en) * 1970-04-13 1975-07-29 Toyo Tire & Rubber Co Radial pneumatic tire having a compensating cord layer
US3881538A (en) * 1972-08-11 1975-05-06 Uniroyal Sa Pneumatic tires and breakers therefor
US3982580A (en) * 1973-10-23 1976-09-28 Bridgestone Tire Company Limited Pneumatic tire for construction vehicles
US4096899A (en) * 1975-09-18 1978-06-27 Bridgestone Tire Co., Ltd. Light weight pneumatic tire having a thin side wall rubber
US4258775A (en) * 1977-09-16 1981-03-31 Bridgestone Tire Company Limited Pneumatic radial tire with zero degree damper layers between belt plies
US4263955A (en) * 1978-08-22 1981-04-28 The Yokohama Rubber Co., Ltd. Pneumatic run flat tire for motorcycles
GB2102354A (en) * 1981-07-29 1983-02-02 Bridgestone Tire Co Ltd Pneumatic radial tires for motorcycles

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"New M/C Tyres", European Rubber Journal, 6-1983, at p. 15.
New M/C Tyres , European Rubber Journal, 6 1983, at p. 15. *

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5069262A (en) * 1984-04-06 1991-12-03 Rubber Industries, Ltd. Motorcycle tire with non-zero degree band radially outward of the breaker
US5176770A (en) * 1984-10-02 1993-01-05 Bridgestone Corporation Pneumatic belted tires for motorcycles
EP0280889A1 (fr) 1987-02-23 1988-09-07 COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN-MICHELIN & CIE Paire de pneumatiques pour deux roues
US4880043A (en) * 1987-02-23 1989-11-14 Michelin & Cie (Compagnie Generale Des Establissements Michelin) Pair of tires for two wheeled vehicle
US4966215A (en) * 1988-03-18 1990-10-30 Bridgestone Corporation Tire pair for a two-wheeled vehicle
US5479977A (en) * 1992-10-30 1996-01-02 Sumitomo Rubber Industries, Ltd. Pneumatic tire with carcass structure for increased sidewall rigidity
US6530407B1 (en) 1997-09-24 2003-03-11 Bridgestone Corporation Method of fitting tire for off road motorcycle, and tire for off road motorcycle
US20030102066A1 (en) * 1997-09-24 2003-06-05 Bridgestone Corporation Method of fitting tire for off road motorcycle, and tire for off road motorcycle
US6986374B2 (en) 1997-09-24 2006-01-17 Bridgestone Corporation Method of fitting tire for off road motorcycle, and tire for off road motorcycle
EP1018444A4 (en) * 1997-09-24 2002-05-08 Bridgestone Corp METHOD FOR MOUNTING A TIRE FOR ALL-TERRAIN BIKE AND TIRE FOR ANY ALL-TERRAIN BIKE
EP1018444A1 (en) * 1997-09-24 2000-07-12 Bridgestone Corporation Method of fitting offroad bicycle tire and offroad bicycle tire
EP1004460A2 (en) * 1998-11-26 2000-05-31 Bridgestone Corporation Pneumatic tire for front wheel of motorcycle
EP1004460A3 (en) * 1998-11-26 2001-11-14 Bridgestone Corporation Pneumatic tire for front wheel of motorcycle
US6977020B2 (en) * 2000-04-25 2005-12-20 Bridgestone Corporation Method of mounting a pneumatic radial tire
US20090301629A1 (en) * 2005-12-26 2009-12-10 Bridgestone Corporation Pneumatic tire
US20120312436A1 (en) * 2011-06-10 2012-12-13 Masahiro Hikita Motorcycle tire for uneven terrain
US9290063B2 (en) * 2011-06-10 2016-03-22 Sumitomo Rubber Industries, Ltd. Motorcycle tire for uneven terrain
US11383560B2 (en) * 2014-08-06 2022-07-12 Sumitomo Rubber Industries, Ltd. Tire for two-wheeled automotive vehicle
EP4046824A1 (en) * 2021-02-18 2022-08-24 Sumitomo Rubber Industries, Ltd. Motorcycle tire pair
US11760131B2 (en) 2021-02-18 2023-09-19 Sumitomo Rubber Industries, Ltd. Motorcycle tire pair

Also Published As

Publication number Publication date
DE3335198C2 (ko) 1988-05-05
GB2128556B (en) 1986-06-04
DE3335198A1 (de) 1984-04-26
GB8325563D0 (en) 1983-10-26
AU538449B2 (en) 1984-08-16
GB2128556A (en) 1984-05-02
JPH0532242B2 (ko) 1993-05-14
AU1908483A (en) 1984-05-17
JPS5973307A (ja) 1984-04-25

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